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Technical Articles for Part Number ISK-390034
Isky Hydraulic Flat Tappet Cam and Lifter Kits 390034
Part Number: ISK-390034
Isky Hydraulic Flat Tappet Cam and Lifter Kits
Camshaft Kit, Hydraulic Flat Tappet, Advertised Duration 304/304, Lift 0.525/0.525, Chrysler, Dodge, Plymouth, Small Block, LA, Kit
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Estimated Ship Date: Jun 15, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
390034
Part Type:
Product Line:
Summit Racing Part Number:
ISK-390034
Cam Style:
Hydraulic flat tappet
Basic Operating RPM Range:
3,200-7,500
Camshaft Use:
Drag race
Camshaft Manufacturers Description:
Ultimate high performance use for bracket racing with rough idle. Requires 11:1 or higher compression, 4.33-4.88 axle ratio, 3,000 RPM stall and up to a 850 CFM carburetor.
Intake Duration at 050 inch Lift:
256
Exhaust Duration at 050 inch Lift:
256
Duration at 050 inch Lift:
256 int./256 exh.
Advertised Intake Duration:
304
Advertised Exhaust Duration:
304
Advertised Duration:
304 int./304 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.525 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.525 in.
Valve Lift with Factory Rocker Arm Ratio:
0.525 int./0.525 exh.
Lobe Separation (degrees):
108
Grind Number:
304-Mega
Computer-Controlled Compatible:
No
Lifters Included:
Yes
Lifter Style:
Hydraulic flat tappet
Valve Springs Included:
Yes
Valve Spring Style:
Standard
Outside Diameter of Outer Spring (in.):
1.430 in.
Retainers Included:
Yes
Locks Included:
No
Valve Stem Seals Included:
No
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
No
Pushrods Included:
Yes
Intake Overall Length (in.):
7.265 in.
Exhaust Overall Length (in.):
7.265 in.
Rocker Arms Included:
No
Gaskets Included:
No
Valve Springs Required:
Yes
Quantity:
Sold as a kit.
Isky Hydraulic Flat Tappet Cam and Lifter Kits
Isky hydraulic flat tappet cam and lifter kits are designed for performance-minded car owners who want to use their everyday cars for the street and drags. They produce more power and rpm in road-driven cars, while giving you the power and torque needed to get off the line quickly at the strip. Made from the finest high-quality proferal cast iron billets, these hydraulic flat tappet cams are flame-hardened, super-finished, and Parko Lubrite coated for a long life. Order the model recommended for your vehicle and engine application.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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